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Main excretory waste in sponges is
Option: 1
Urea
Option: 2
Ammonia
Option: 3
Uric acid
Option: 4
Either 1 or 3
Answers (1)
Excretion in Porifera
- The excretory system is absent.
- Nitrogenous waste is disposed from the cells through the process of diffusion.
- Ammonia is the principal excretory waste.
-
The excretory system is absent in sponges. Nitrogenous waste is disposed from the cells through the process of diffusion. Ammonia is the principal excretory waste.
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